LG GW520 - Page 25

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
GW520 service manual
I2C2_SCL
I2C2_SCL FOR CAMERA,TOUCH, 3-AXIS ACCEL……
I2C2_SDA
I2C2_SDA FOR CAMERA,TOUCH, 3-AXIS ACCEL……
SIM I/F
CC_IO
SIM_IO SIM CARD DATA
CC_CLK
SIM_CLK SIM CARD CLOCK
CC_RST
SIM_RST SIM CARD RESET
I2S2
I2S2_CLK0 (GPIO_31)
BT_RESET_N Bluetooth reset
I2S2_CLK1 (GPIO_102)
DBB_BT_INT DBB_WAKEUP
I2S2_RX (GPIO_32)
LIN_PWM_MAG MOTER OPERATION
I2S2_TX (GPIO_33)
BT_INT BT_WAKEUP
I2S2_WA0 (GPIO_34)
TORCH_INT TOUCH INTERRUPT
I2S2_WA1 (GPIO_103)
QWERTY_KEY_EN QWERTY_KEY_ENABLE
External Memory
MMCI1_CMD
MMC_CMD
MMCI1_DAT[0]
MMC_D0
MMCI1_CLK
MMC_CLK
MMC1_DAT[1]
MMC_D1
MMC1_DAT[2]
MMC_D2
MMC1_DAT[3]
MMC_D3
MMCI2_CMD (GPIO_22)
MUIC_INT
MMCI2_DAT[0] (GPIO_107)
LCD_BL_CTRL
MMCI2_CLK (GPIO_108)
FN_LED
IrDA
IrDA_TX (GPIO_110)
USB_OEn For USB
IrDA_RX (GPIO_111)
SLIDE_DETECT Slide on/off detect
I2S1
I2S1_CLK0
BT_PCM_CLK For Bluetooth
I2S1_CLK1
N.A
I2S1_RX
BT_PCM_RX For Bluetooth
I2S1_TX
BT_PCM_TX For Bluetooth
I2S1_WA0
BT_PCM_SYNC For Bluetooth
Audio I/F
EPN1
REC_N For Receiver
EPP1
REC_P For Receiver
EPPA1
EAR_SPK_P For SPK &Headset
EPREF
N.A Reference